21084678

素因数分解:

$2^1\times 3^3\times {\mathrm{557}}^1\times {\mathrm{701}}^1$

素因数の和:1269

約数の個数: 32

約数和(自身を含む): 47005920

約数和(自身を除く): 25921242

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 557, 701, 1114, 1402, 1671, 2103, 3342, 4206, 5013, 6309, 10026, 12618, 15039, 18927, 30078, 37854, 390457, 780914, 1171371, 2342742, 3514113, 7028226, 10542339, 21084678]

約数ペア:

[(1, 21084678), (2, 10542339), (3, 7028226), (6, 3514113), (9, 2342742), (18, 1171371), (27, 780914), (54, 390457), (557, 37854), (701, 30078), (1114, 18927), (1402, 15039), (1671, 12618), (2103, 10026), (3342, 6309), (4206, 5013)]